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  1. #include <stdio.h>
  2.  
  3. #define ROW 3
  4. #define COL 4
  5.  
  6. int a[ROW][COL] = {
  7.     {1, 2, 3, 4},
  8.     {5, 6, 7, 8},
  9.     {9, 10, 11, 12}
  10. };
  11.  
  12. int sum[ROW];
  13.  
  14. void calculate(int (*a)[4]) {
  15.     for (int i = 0; i < ROW; i++) {
  16.         int row_sum = 0;
  17.  
  18.         for (int j = 0; j < COL; j++) {
  19.             row_sum += a[i][j];
  20.         }
  21.  
  22.         sum[i] = row_sum;
  23.     }
  24. }
  25.  
  26. int main(void) {
  27.     calculate(a);
  28.  
  29.     for (int i = 0; i < ROW; i++) {
  30.         printf("%d行目の合計 sum[%d] = %d\n", i+1, i, sum[i]);
  31.     }
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin 
Standard input is empty
stdout 
1行目の合計 sum[0] = 10
2行目の合計 sum[1] = 26
3行目の合計 sum[2] = 42
https://ideone.com/bd6a0P
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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